package com.zyd.criminalintent;

import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.provider.MediaStore;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.ShareCompat;
import android.text.Editable;
import android.text.TextWatcher;
import android.text.format.DateFormat;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;

import java.io.File;
import java.util.Date;
import java.util.UUID;

public class CrimeFragment extends Fragment
{

    private static final String ARG_CRIME_ID = "crime_id";
    private static final String DIALOG_DATE = "DialogDate";

    private static final int REQUEST_DATE = 0;
    private static final int REQUEST_CONTACT = 1;
    private static final int REQUEST_PHOTO = 2;

    private Crime mCrime;
    private EditText mTitleField;
    private Button mDateButton;
    private CheckBox mSolvedCheckbox;
    private Button mReportButton;
    private Button mSuspectButton;
    private ImageButton mPhotoButton;
    private ImageView mPhotoView;
    private File mPhotoFile;

    public static CrimeFragment newInstance(UUID crimeId)
    {
        Bundle args = new Bundle();
        args.putSerializable(ARG_CRIME_ID, crimeId);

        CrimeFragment fragment = new CrimeFragment();
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        UUID crimeId = (UUID) getArguments().getSerializable(ARG_CRIME_ID);
        mCrime = CrimeLab.get(getActivity()).getCrime(crimeId);
        setHasOptionsMenu(true);
        mPhotoFile = CrimeLab.get(getActivity()).getPhotoFile(mCrime);
    }

    @Override
    public void onPause()
    {
        super.onPause();

        CrimeLab.get(getActivity())
                .updateCrime(mCrime);
    }

    @Override
    public View onCreateView(final LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState)
    {
        View v = inflater.inflate(R.layout.fragment_crime, container, false);

        mTitleField = (EditText) v.findViewById(R.id.crime_title);
        mTitleField.setText(mCrime.getTitle());
        mTitleField.addTextChangedListener(new TextWatcher()
        {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after)
            {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count)
            {
                mCrime.setTitle(s.toString());
            }

            @Override
            public void afterTextChanged(Editable s)
            {

            }
        });

        mDateButton = (Button) v.findViewById(R.id.crime_date);
        updateDate();
        mDateButton.setOnClickListener(new View.OnClickListener()
        {
            @Override
            public void onClick(View v)
            {
                FragmentManager manager = getFragmentManager();
                DatePickerFragment dialog = DatePickerFragment
                        .newInstance(mCrime.getDate());
                dialog.setTargetFragment(CrimeFragment.this, REQUEST_DATE);
                dialog.show(manager, DIALOG_DATE);
            }
        });

        mSolvedCheckbox = (CheckBox) v.findViewById(R.id.crime_solved);
        mSolvedCheckbox.setChecked(mCrime.isSolved());
        mSolvedCheckbox.setOnCheckedChangeListener(new OnCheckedChangeListener()
        {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked)
            {
                mCrime.setSolved(isChecked);
            }
        });

        mReportButton = (Button) v.findViewById(R.id.crime_report);
        mReportButton.setOnClickListener(new View.OnClickListener()
        {
            @Override
            public void onClick(View v)
            {
                /*Intent i = new Intent(Intent.ACTION_SEND);
                i.setType("text/plain");
                i.putExtra(Intent.EXTRA_TEXT, getCrimeReport());
                i.putExtra(Intent.EXTRA_SUBJECT, getString(R.string.crime_report_subject));
                i = Intent.createChooser(i, getString(R.string.send_report));
                startActivity(i);*/
                ShareCompat.IntentBuilder intentBuilder = ShareCompat.IntentBuilder.from(getActivity());
                intentBuilder = intentBuilder.setChooserTitle(getString(R.string.send_report));
                intentBuilder = intentBuilder.setType("text/plain");
                intentBuilder = intentBuilder.setText(getCrimeReport());
                Intent i = intentBuilder.createChooserIntent();
                startActivity(i);
            }
        });

        final Intent pickContact = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI);
        mSuspectButton = (Button) v.findViewById(R.id.crime_suspect);
        mSuspectButton.setOnClickListener(new View.OnClickListener()
        {
            @Override
            public void onClick(View v)
            {
                startActivityForResult(pickContact, REQUEST_CONTACT);
            }
        });

        if (mCrime.getSuspect() != null)
        {
            mSuspectButton.setText(mCrime.getSuspect());
        }

        PackageManager packageManager = getActivity().getPackageManager();
        if (packageManager.resolveActivity(pickContact, PackageManager.MATCH_DEFAULT_ONLY) == null)
        {
            mSuspectButton.setEnabled(false);
        }

        mPhotoButton = (ImageButton) v.findViewById(R.id.crime_camera);
        mPhotoView = (ImageView) v.findViewById(R.id.crime_photo);

        final Intent captureImage = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        boolean canTakePhoto = mPhotoFile != null &&
                captureImage.resolveActivity(packageManager) != null;

        if (canTakePhoto)
        {
            Uri uri = Uri.fromFile(mPhotoFile);
            captureImage.putExtra(MediaStore.EXTRA_OUTPUT, uri);
        }
        mPhotoButton.setOnClickListener(new View.OnClickListener()
        {
            @Override
            public void onClick(View v)
            {
                startActivityForResult(captureImage, REQUEST_PHOTO);
            }
        });

        updatePhotoView();

        return v;
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data)
    {
        if (resultCode != Activity.RESULT_OK)
        {
            return;
        }

        if (requestCode == REQUEST_DATE)
        {
            Date date = (Date) data
                    .getSerializableExtra(DatePickerFragment.EXTRA_DATE);
            mCrime.setDate(date);
            updateDate();
        }
        else if (requestCode == REQUEST_CONTACT && data != null)
        {
            Uri contactUri = data.getData();
            String[] queryFields = new String[]{ContactsContract.Contacts.DISPLAY_NAME};

            Cursor c = getActivity().getContentResolver().query(contactUri, queryFields, null, null, null);

            try
            {
                if (c.getCount() == 0)
                {
                    return;
                }

                c.moveToFirst();
                String suspect = c.getString(0);
                mCrime.setSuspect(suspect);
                mSuspectButton.setText(suspect);
            }
            finally
            {
                c.close();
            }
        }
        else if (requestCode == REQUEST_PHOTO)
        {
            updatePhotoView();
        }
    }

    private void updateDate()
    {
        java.text.DateFormat dateFormat = DateFormat.getDateFormat(getContext());
        mDateButton.setText(dateFormat.format(mCrime.getDate()));
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater)
    {
        super.onCreateOptionsMenu(menu, inflater);
        inflater.inflate(R.menu.fragment_crime, menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {
        switch (item.getItemId())
        {
            case R.id.menu_item_delete_crime:
                CrimeLab crimeLab = CrimeLab.get(getContext());
                crimeLab.deleteCrime(mCrime);
                getActivity().finish();
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

    private String getCrimeReport()
    {
        String solvedString = null;
        if (mCrime.isSolved())
        {
            solvedString = getString(R.string.crime_report_solved);
        }
        else
        {
            solvedString = getString(R.string.crime_report_unsolved);
        }

        java.text.DateFormat dateFormat = DateFormat.getDateFormat(getContext());
        String dateString = dateFormat.format(mCrime.getDate());

        String suspect = mCrime.getSuspect();
        if (suspect == null)
        {
            suspect = getString(R.string.crime_report_no_suspect);
        }
        else
        {
            suspect = getString(R.string.crime_report_suspect, suspect);
        }

        String report = getString(R.string.crime_report, mCrime.getTitle(), dateString, solvedString, suspect);

        return report;
    }

    private void updatePhotoView()
    {
        if (mPhotoFile == null || !mPhotoFile.exists())
        {
            mPhotoView.setImageDrawable(null);
        }
        else
        {
            Bitmap bitmap = PictureUtils.getScaledBitmap(mPhotoFile.getPath(), getActivity());
            mPhotoView.setImageBitmap(bitmap);
        }
    }
}
